package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.entity.dto.SetmealDto;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;

import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

//套餐管理
@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {

    @Autowired
    private SetmealService setmealService;

    @Autowired
    private SetmealDishService setmealDishService;

    @Autowired
    private CategoryService categoryService;
    //新增套餐
    @PostMapping
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息：{}",setmealDto);

        setmealService.seveWithDish(setmealDto);
        return R.success("新增套餐成功");
    }

    //分页条件查询
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //分页构造器对象
        Page<Setmeal> pageinfo = new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like查询
        queryWrapper.like(name!=null,Setmeal::getName,name);
        //添加排序条件，根据时间降序排序
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageinfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageinfo,dtoPage,"records");
        List<Setmeal> records = pageinfo.getRecords();

        List<SetmealDto> list = records.stream().map((item) ->{
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);
            //分类Id
            Long categoryId = item.getCategoryId();
            //根据Id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;

        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }

    //删除套餐
    @DeleteMapping
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<String> delete(@RequestParam List<Long> ids){
        log.info("ids:{}",ids);
        setmealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }
    //修改状态
    @PostMapping("/status")
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<String> updateStatus(@RequestParam int ids){
        log.info("ids:{}",ids);
        System.out.println("ids:-------"+ids);
        return null;
    }

    //根据条件查询数据
    @GetMapping("/list")
    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId+ '_' + #setmeal.status")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);

        return R.success(list);

    }

    //修改套餐状态  停售和起售
    @PostMapping("/status/{status}")
    public R<String> status(@PathVariable("status") Integer status,String ids){
        log.info("status:{}",status);
        log.info("ids:{}",ids);

        LambdaUpdateWrapper<Setmeal> updateWrapper = new LambdaUpdateWrapper<>();
        String[] arr = ids.split(",");
        updateWrapper.set(Setmeal::getStatus,status);
        updateWrapper.in(Setmeal::getId,arr);

        setmealService.update(updateWrapper);


        return R.success("修改成功！");
    }

    //根据ID查询套餐信息
    @GetMapping("/{id}")
    public R<Setmeal> getById(@PathVariable("id") Long id) {

        Setmeal setmeal = setmealService.getById(id);

        return R.success(setmeal);

    }

}
